119k views
5 votes
Solve the system of equations by graphing. x+y=-7, 2x+y=6

User Josedlujan
by
4.6k points

2 Answers

3 votes

Answer: x=-1 Y = 8

Step-by-step explanation:

you can change it to y = -x-7, y=-2x+6

Then because the both equal “y” they must equal each other.

So -x+7 = - 2x+6

Then solve

User Vladimir Gazbarov
by
4.0k points
1 vote

Explanation:

I hope this is right, I used demos

Solve the system of equations by graphing. x+y=-7, 2x+y=6-example-1
User Roundrobin
by
4.8k points